New Mexico Shrew
Encyclopedia
The New Mexico Shrew is a species of mammal
Mammal
Mammals are members of a class of air-breathing vertebrate animals characterised by the possession of endothermy, hair, three middle ear bones, and mammary glands functional in mothers with young...

 in the family Soricidae. It is found only in New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

 in the Capitan
Capitan Mountains
The Capitan Mountains are a mountain range in Lincoln County, in south-central New Mexico in the southwestern United States. The range is about 20 miles long from east to west and about 6 miles wide, formed from a large, elongated granite intrusion similar to the round one that produced Carrizo...

, Manzano
Manzano Mountains
The Manzano Mountains are a small mountain range in the central part of the US State of New Mexico. They are oriented north-south and are about 40 miles long. The center of the range lies about 25 miles southeast of Albuquerque, and the northern foothills are just a few miles east of the edge of...

, and Sandia
Sandia Mountains
The Sandia Mountains name posu gai hoo-oo, "where water slides down arroyo") are a mountain range located in Bernalillo and Sandoval counties, immediately to the east of the city of Albuquerque in New Mexico in the southwestern United States. The range is largely within the Cibola National...

 Mountains. Its total length is 103 to 121 millimeters. Its tail length is 39 to 54 millimeters. It weighs 6 to 8 grams. It was included in Sorex monticolus
Montane Shrew
The Montane Shrew is a species of mammal in the Soricidae family. It is found in Alaska, western Canada, the western United States and Mexico....

until 1996. It is distinguished from Sorex monticolus by its teeth. The row of unicuspid teeth is longer in Sorex neomexicanus than in Sorex monticolus, and Sorex neomexianus has a wider space between its first upper unicuspid and second upper unicuspid (going from front to back) than Sorex monticolus does.
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